/*
 * Tencent is pleased to support the open source community by making BK-CI 蓝鲸持续集成平台 available.
 *
 * Copyright (C) 2020 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-CI 蓝鲸持续集成平台 is licensed under the MIT license.
 *
 * A copy of the MIT License is included in this file.
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.tencent.bkrepo.docker.util

import com.tencent.bkrepo.common.api.constant.StringPool.EMPTY
import com.tencent.bkrepo.docker.constant.USER_API_PREFIX
import org.springframework.web.servlet.HandlerMapping
import javax.servlet.http.HttpServletRequest

/**
 * docker path utility
 */
object PathUtil {

    fun artifactName(request: HttpServletRequest, pattern: String, projectId: String, repoName: String): String {
        val restOfTheUrl = request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE).toString()
        return restOfTheUrl.replaceAfterLast(pattern, EMPTY).removeSuffix(pattern)
            .removePrefix(prefix(projectId, repoName))
    }

    fun userArtifactName(request: HttpServletRequest, projectId: String, repoName: String, tag: String): String {
        val restOfTheUrl = request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE).toString()
        return restOfTheUrl.removePrefix(userPrefix(projectId, repoName)).removeSuffix("/$tag")
    }

    fun layerArtifactName(request: HttpServletRequest, projectId: String, repoName: String, id: String): String {
        val restOfTheUrl = request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE).toString()
        return restOfTheUrl.removePrefix(layerPrefix(projectId, repoName)).removeSuffix("/$id")
    }

    fun tagArtifactName(request: HttpServletRequest, projectId: String, repoName: String): String {
        val restOfTheUrl = request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE).toString()
        return restOfTheUrl.removePrefix(tagPrefix(projectId, repoName))
    }

    fun repoTagArtifactName(request: HttpServletRequest, projectId: String, repoName: String, tag: String): String {
        val restOfTheUrl = request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE).toString()
        return restOfTheUrl.removePrefix(tagPrefix(projectId, repoName)).removeSuffix("/$tag")
    }

    fun repoTagDetailArtifactName(
        request: HttpServletRequest,
        projectId: String,
        repoName: String,
        tag: String
    ): String {
        val restOfTheUrl = request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE).toString()
        return restOfTheUrl.removePrefix(tagDetailPrefix(projectId, repoName)).removeSuffix("/$tag")
    }

    fun repoArtifactName(request: HttpServletRequest, projectId: String, repoName: String): String {
        val restOfTheUrl = request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE).toString()
        return restOfTheUrl.removePrefix(repoPrefix(projectId, repoName))
    }

    private fun prefix(projectId: String, repoName: String): String {
        return "/v2/$projectId/$repoName/"
    }

    private fun userPrefix(projectId: String, repoName: String): String {
        return "$USER_API_PREFIX/manifest/$projectId/$repoName/"
    }

    private fun layerPrefix(projectId: String, repoName: String): String {
        return "$USER_API_PREFIX/layer/$projectId/$repoName/"
    }

    private fun tagPrefix(projectId: String, repoName: String): String {
        return "$USER_API_PREFIX/tag/$projectId/$repoName/"
    }

    private fun tagDetailPrefix(projectId: String, repoName: String): String {
        return "$USER_API_PREFIX/tagdetail/$projectId/$repoName/"
    }

    private fun repoPrefix(projectId: String, repoName: String): String {
        return "$USER_API_PREFIX/repo/$projectId/$repoName/"
    }
}
